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Which timestamp type should I choose in a PostgreSQL database?
...T NOW();
now
-------------------------------
2011-05-27 15:47:58.138995-07
(1 row)
test=> SELECT NOW() AT TIME ZONE 'UTC';
timezone
----------------------------
2011-05-27 22:48:02.235541
(1 row)
Note that AT TIME ZONE 'UTC' strips time zone in...
Is Java really slow?
... "Java is slow" crowd, here are areas where it is still slow (updated for 2013):
Libraries are often written for "correctness" and readability, not performance. In my opinion, this is the main reason Java still has a bad reputation, especially server-side. This makes the String problems exponentia...
Why does NULL = NULL evaluate to false in SQL server
...
Neil McGuiganNeil McGuigan
39.6k1010 gold badges100100 silver badges134134 bronze badges
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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...gatures).
– Douglas
Feb 19 '16 at 9:01
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show 4 more comments
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How to add a browser tab icon (favicon) for a website?
...
answered Feb 3 '11 at 16:01
Gustavo Costa De OliveiraGustavo Costa De Oliveira
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SQL injection that gets around mysql_real_escape_string()
...
– Theodore R. Smith
Aug 25 '12 at 16:01
5
@TheodoreR.Smith: It's not that easy to fix. I've been w...
Scala 2.8 breakOut
...though!
– Ed Staub
Nov 25 '13 at 20:01
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show 8 more comments
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Separate Back Stack for each tab in Android using Fragments
...t though.
– hackbod
Sep 8 '11 at 17:01
4
Again, the iPhone doesn't have a back button, so it does...
Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
...notes that the largest encoded size he could stumble upon empirically was 1011732, and chose the buffer size 1013000 arbitrarily.
typedef unsigned int u32;
namespace WorkArea
{
static const u32 circularSize = 253250;
u32 circular[circularSize] = { 0 }; // consumes 1013000 bytes
...
How to profile a bash shell script slow startup?
... you'd like to begin a trace in any Bash script):
PS4='+ $(date "+%s.%N")\011 '
exec 3>&2 2>/tmp/bashstart.$$.log
set -x
add
set +x
exec 2>&3 3>&-
at the end of ~/.bashrc (or at the end of the section of any Bash script you'd like tracing to stop). The \011 is an octal ...